<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>This article presents the numerical modelling of hydrodynamics and sediment transport processes in the seasonal Pathri Rao River, which flows in the Northern part of India. Modelling is made by the coupled application of the hydrodynamic model called TELEMAC-2D and the morphodynamic model called SediMorph. The hydrodynamic model results are validated with the observed data and it has been found that the present model provides reasonable predictions. Likewise, the validation of the morphodynamic model is also presented. For this purpose, the suspended and bed load transport modules are validated separately for four runoff events observed during the investigations. The validation of the former is approached by comparing the depth-averaged suspended transport concentrations against experimental measurements made at the make-shift gauging station and subsequent comparison against experimental measurements. On the other hand, due to non-availability of the observed values on bed load sediment transport, the bed load sediment transport and bed evolution numerical results could not be validated quantitatively and was approached only on qualitative basis. In general, both validations present an acceptable agreement with measurements and scientific facts. Further, this study demonstrates that the coupled TELEMAC-2D/SediMorph system could be used with confidence for practical applications in the Pathri Rao River.</p></abstract>

This article presents the numerical modelling of hydrodynamics and sediment transport processes in the seasonal Pathri Rao River, which flows in the Northern part of India. Modelling is made by the coupled application of the hydrodynamic model called TELEMAC-2D and the morphodynamic model called SediMorph. The hydrodynamic model results are validated with the observed data and it has been found that the present model provides reasonable predictions. Likewise, the validation of the morphodynamic model is also presented. For this purpose, the suspended and bed load transport modules are validated separately for four runoff events observed during the investigations. The validation of the former is approached by comparing the depth-averaged suspended transport concentrations against experimental measurements made at the make-shift gauging station and subsequent comparison against experimental measurements. On the other hand, due to non-availability of the observed values on bed load sediment transport, the bed load sediment transport and bed evolution numerical results could not be validated quantitatively and was approached only on qualitative basis. In general, both validations present an acceptable agreement with measurements and scientific facts. Further, this study demonstrates that the coupled TELEMAC-2D/SediMorph system could be used with confidence for practical applications in the Pathri Rao River.

Numerical modelling of hydrodynamics and sediment transport processes during storm events in a non-perennial river

Department of Civil Engineering, Indian Institute of Technology Roorkee, Roorkee 247 667, Uttarakhand, India

Institute of Hydro Sciences, University of the German Armed Forces Munich, Werner-Heisenberg-Weg 39, Neubiberg 85577, Munich, Germany

Journal of Hydrology and Hydromechanics

This article presents the numerical modelling of hydrodynamics and sediment transport processes in the seasonal Pathri Rao River, which flows in the Northern...

Numerical modelling of hydrodynamics and sediment transport processes during storm events in a non-perennial river

Data publikacji: 16 cze 2010

Zakres stron: 36 - 48

DOI: https://doi.org/10.2478/v10098-010-0005-1

Słowa kluczowe
modelovanie odtoku, SediMorph, transport sedimentov, TELEMAC-2D

This content is open access.

Numerical modelling of hydrodynamics and sediment transport processes during storm events in a non-perennial river

Data publikacji: 16 cze 2010

Zakres stron: 36 - 48

DOI: https://doi.org/10.2478/v10098-010-0005-1

Słowa kluczowemodelovanie odtoku, SediMorph, transport sedimentov, TELEMAC-2D

This content is open access.

Słowa kluczowe
modelovanie odtoku, SediMorph, transport sedimentov, TELEMAC-2D